| 释义 |
pen·ta·hydrate 英pentə'haɪdreɪt美pentə'haɪdreɪt BNC²³⁶²¹³⁺¹
基本例句
n.化五水合物
A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.
本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。 chemyq
The preparation of sodium metasilicate pentahydrate using aqueous crystallization method is studied.
对采用溶液结晶法制取五水偏硅酸钠进行了研究。 dictall
The decomposition temperature and heat of cefazolin sodium pentahydrate were measured by the differential scanning calorimetry technique.
采用差热分析法测定头孢唑林钠的分解温度和分解热； chemyq
The present market of sodium metasilicate pentahydrate was outlined, and then the experimental technique of preparing sodium metasilicate pentahydrate from the waste silica gel was introduced.
概述了五水偏硅酸钠的市场现状，介绍了以废硅胶为原料生产五水偏硅酸钠的实验方法。 j-fci
Ethyl cinnamate was synthesized by esterification of cinnamic acid with ethanol in the presence of stannic chloride pentahydrate catalyst.
在五水四氯化锡存在下，肉桂酸和乙醇发生酯化反应合成肉桂酸乙酯。 cnki
Methyl cinnamate was synthesized in the presence of the catalyst of pentahydrate stannic chloride, and characterized by melt i ng point, elementary analysis and infrared spectrum.
在五水四氯化锡催化下合成了肉桂酸甲酯，并用熔点、元素分析和红外光谱进行了表征。 cnki
Objective To study the compatible stability of cefazolin sodium pentahydrate with Omidazole Sodium Chioride Injection.
目的考察五水头孢唑啉钠与奥硝唑配伍的稳定性。 dictall
The experimental results indicated that stannic chloride pentahydrate exhibited high catalytic activity for the esterification reaction.
实验结果表明，五水四氯化锡对酯化反应具有较高的催化活性。 cnki |